Home / 269,229.95-371,538.79-154,499.46

Finding the Fourth Proportional to 269,229.95, 371,538.79 and 154,499.46

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Solution

The fourth proportional to 269,229.95, 371,538.79 and 154,499.46 is: 213,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,229.95 : 371,538.79 = 154,499.46 : x
  2. Step 2: Convert to fraction form
    269,229.95/371,538.79 = 154,499.46/x
  3. Step 3: Cross multiply
    269,229.95x = 371,538.79 × 154,499.46
  4. Step 4: Simplify right side
    269,229.95x = 57,402,542,424.05
  5. Step 5: Solve for x
    x = 57,402,542,424.05/269,229.95
  6. Step 6: Final answer
    x = 213,210.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.